Electronic Principles
A high-pass filter:

has no effect on ac signals
increases the level of all frequencies by a significant amount
passes higher-frequency signals and reduces lower-frequency signals
None of these
passes lower-frequency signals and reduces higher-frequency signals

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Electronic Principles
Which one of the following statements is true for current flowing in a parallel circuit?

The same current always flows through every part of a parallel circuit
None of these
The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance
The amount of current flow through each branch of a parallel circuit can be different, depending on the resistance of each branch part and the amount of voltage applied to it
The total current in a parallel circuit is always less than the smallest amount of current

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